9725840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2067

約数の個数: 40

約数和(自身を含む): 22994808

約数和(自身を除く): 13268968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1993, 2440, 3986, 4880, 7972, 9965, 15944, 19930, 31888, 39860, 79720, 121573, 159440, 243146, 486292, 607865, 972584, 1215730, 1945168, 2431460, 4862920, 9725840]

約数ペア:

[(1, 9725840), (2, 4862920), (4, 2431460), (5, 1945168), (8, 1215730), (10, 972584), (16, 607865), (20, 486292), (40, 243146), (61, 159440), (80, 121573), (122, 79720), (244, 39860), (305, 31888), (488, 19930), (610, 15944), (976, 9965), (1220, 7972), (1993, 4880), (2440, 3986)]